Honda LEAD 110 2009 Service Manual page 326

Compress the fork pipe fully and measure the oil
Be sure the oil level
level from the top of the fork pipe.
is same in the both
forks.
FORK OIL LEVEL: 52 mm (2.0 in)
Pull the fork pipe up fully.
Install the fork spring into the fork pipe with its
tapered side facing down.
Coat a new O-ring with fork fluid and install it into
the groove on the fork cap bolt.
Install the fork cap bolt, but tighten it after installing
it to the steering stem.
INSTALLATION
Install the fork into the steering stem and align the
groove on the fork pipe with the upper fork pinch
bolt hole on the stem.
FRONT WHEEL/SUSPENSION/STEERING
O-RING
UPPER FORK
PINCH BOLT HOLE
52 mm (2.0 in)
FORK
SPRING
Tapered side
FORK CAP BOLT
BOLT HOLE
GROOVE
15-19